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Author Topic: ipod hardware equalizer not working?  (Read 2127 times)

Offline fjf

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ipod hardware equalizer not working?
« on: January 17, 2007, 01:02:16 PM »
Maybe I am missing something, but i just disabled the software equalizer and I am playing with the hardware equalizer settings, but I cannot hear any difference enabling or disabling it.  I am using the ipod video build 20070114.  Any hints?.

Thanks
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Offline Febs

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Re: ipod hardware equalizer not working?
« Reply #1 on: January 17, 2007, 01:03:30 PM »
Only the low shelf and high shelf filters are functional.  The three peaking filters don't do anything (and never have).
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Offline pbcnx

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Re: ipod hardware equalizer not working?
« Reply #2 on: March 16, 2007, 11:27:08 AM »
are the 3 other peak filters not supported by the ipod?
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Offline soap

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Re: ipod hardware equalizer not working?
« Reply #3 on: March 16, 2007, 06:42:38 PM »
Quote from: pbcnx on March 16, 2007, 11:27:08 AM
are the 3 other peak filters not supported by the ipod?

They should be, but the Rocbox driver for the Wolfson codec used in the iPod 5th generation is based upon a similar (published) codec, and not the actual one in the player.  This is a beautiful example of the pain caused by hardware without public documentation.
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Offline Llorean

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Re: ipod hardware equalizer not working?
« Reply #4 on: March 16, 2007, 08:47:23 PM »
What this means is that either
A) We aren't implementing them properly (because it's a different chip)
or
B) They aren't present on that version.
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